Gaya APA

Schumpeter, J, A. (1951). Imperialism and social classes, transl. by Heinz Norden, ed. and with an introd. by Paul M.Sweezy. . Oxford: Blackwell.

Gaya MLA

Schumpeter, Joseph, A. "Imperialism and social classes, transl. by Heinz Norden, ed. and with an introd. by Paul M.Sweezy. ". Oxford: Blackwell, 1951. Buku.